| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 51.3 | 55.3 | 62.6 | 72.1 | 80.4 | 89.0 | 91.4 | 89.0 | 81.7 | 72.9 | 60.8 | 52.0 | 71.5 |
| Highest Mean Max. Temperature (F) | 59.6 | 62.3 | 72.0 | 78.5 | 88.3 | 98.6 | 96.9 | 93.9 | 87.7 | 78.4 | 68.6 | 60.0 | 74.4 |
| Year Highest Occurred | 1969 | 1962 | 1974 | 1989 | 1974 | 1990 | 1980 | 1962 | 1983 | 1967 | 1973 | 1973 | 1989 |
| Lowest Mean Max. Temperature (F) | 40.0 | 46.6 | 55.0 | 64.1 | 74.8 | 83.0 | 85.9 | 84.5 | 75.8 | 64.7 | 50.4 | 43.4 | 69.0 |
| Year Lowest Occurred | 1979 | 1964 | 1969 | 1983 | 1976 | 1979 | 1976 | 1971 | 1974 | 1984 | 1972 | 1983 | 1979 |
| Mean Temperature (F) | 36.0 | 40.0 | 47.1 | 56.2 | 65.0 | 73.8 | 77.6 | 75.4 | 68.0 | 57.6 | 45.9 | 37.1 | 56.6 |
| Highest Mean Temperature (F) | 44.0 | 45.5 | 53.9 | 60.7 | 70.6 | 81.3 | 81.9 | 78.6 | 72.1 | 61.3 | 52.2 | 43.4 | 57.9 |
| Year Highest Occurred | 1969 | 1976 | 1972 | 1967 | 1974 | 1990 | 1980 | 1983 | 1983 | 1963 | 1965 | 1977 | 1989 |
| Lowest Mean Temperature (F) | 27.6 | 33.3 | 40.5 | 50.2 | 60.8 | 69.0 | 73.8 | 72.6 | 63.1 | 51.2 | 38.3 | 30.1 | 54.4 |
| Year Lowest Occurred | 1979 | 1964 | 1969 | 1983 | 1976 | 1979 | 1976 | 1971 | 1974 | 1976 | 1972 | 1983 | 1979 |
| Mean Min. Temperature (F) | 20.7 | 24.7 | 31.5 | 40.3 | 49.6 | 58.6 | 63.6 | 61.7 | 54.2 | 42.2 | 30.9 | 22.1 | 41.7 |
| Highest Mean Min. Temperature (F) | 28.3 | 30.1 | 36.9 | 45.3 | 52.9 | 64.0 | 67.8 | 66.1 | 57.8 | 46.2 | 37.3 | 29.3 | 43.8 |
| Year Highest Occurred | 1969 | 1970 | 1986 | 1967 | 1989 | 1990 | 1966 | 1969 | 1990 | 1974 | 1965 | 1977 | 1969 |
| Lowest Mean Min. Temperature (F) | 13.6 | 19.9 | 26.0 | 34.7 | 44.0 | 55.0 | 61.2 | 58.3 | 50.3 | 36.4 | 24.0 | 16.5 | 39.5 |
| Year Lowest Occurred | 1963 | 1964 | 1969 | 1973 | 1983 | 1983 | 1968 | 1979 | 1974 | 1976 | 1976 | 1989 | 1975 |
| Mean Precipitation (in.) | 0.33 | 0.39 | 0.45 | 0.56 | 1.21 | 1.63 | 2.25 | 2.65 | 1.66 | 1.22 | 0.61 | 0.41 | 13.37 |
| Highest Precipitation (in.) | 1.74 | 1.12 | 1.73 | 1.69 | 4.74 | 4.81 | 7.26 | 5.29 | 4.66 | 4.58 | 2.15 | 1.77 | 22.30 |
| Year Highest Occurred | 1985 | 1987 | 1973 | 1977 | 1979 | 1978 | 1972 | 1990 | 1969 | 1985 | 1986 | 1986 | 1985 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.00 | 0.46 | 0.00 | 0.00 | 0.00 | 0.00 | 6.10 |
| Year Lowest Occurred | 1986 | 1981 | 1971 | 1972 | 1974 | 1990 | 1980 | 1962 | 1968 | 1975 | 1989 | 1981 | 1964 |
| Heating Degree Days (F) | 899. | 700. | 555. | 272. | 78. | 0. | 0. | 0. | 18. | 240. | 573. | 865. | 4200. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 8. | 78. | 268. | 391. | 322. | 108. | 11. | 0. | 0. | 1186. |